Thats a pretty cool idea and a gr8 base for a realy fun game. Unfortunatly all my fox always died out even tho i had 50+ rabbits to eat. But The base idea is super cool and you have already a lot of important features in place.
The Camera handling worked nice.
Rabbits AI was already smart enough.
Attaching the camera to an idividual animal an following it around was even a thing (very detail that you implemented this).
I could see a game like this beeing polished and released.